Politics

EDF's nuclear fleet hits peak environmental unavailability

Due to the heatwave and a jellyfish invasion, EDF experiences a new record shutdown of over 20% of its nuclear capacity.

12 August 2026Tagblick Newsdesk

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Archive photo: EDF's nuclear fleet hits peak environmental unavailability — Archive photoPhoto: Falcon_33 · Flickr · BY-SA

EDF's nuclear fleet reached a peak environmental unavailability of 20.4%, significantly reducing electricity production. This situation affects 13 reactors out of the 57 operated by the French company.

The recent heatwaves have impacted rivers essential for cooling the reactors. At the same time, a jellyfish invasion at the Gravelines plant contributes to this high number of shutdowns and production reductions.

This new record of unavailability comes after other reported shutdowns, further highlighting the challenges facing EDF's nuclear fleet in a difficult environmental context.

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